Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / crypto / ux500 / cryp / cryp_irq.c
diff --git a/kernel/drivers/crypto/ux500/cryp/cryp_irq.c b/kernel/drivers/crypto/ux500/cryp/cryp_irq.c
new file mode 100644 (file)
index 0000000..08d291c
--- /dev/null
@@ -0,0 +1,45 @@
+/**
+ * Copyright (C) ST-Ericsson SA 2010
+ * Author: Shujuan Chen <shujuan.chen@stericsson.com> for ST-Ericsson.
+ * Author: Jonas Linde <jonas.linde@stericsson.com> for ST-Ericsson.
+ * Author: Joakim Bech <joakim.xx.bech@stericsson.com> for ST-Ericsson.
+ * Author: Berne Hebark <berne.herbark@stericsson.com> for ST-Ericsson.
+ * Author: Niklas Hernaeus <niklas.hernaeus@stericsson.com> for ST-Ericsson.
+ * License terms: GNU General Public License (GPL) version 2.
+ */
+
+#include <linux/kernel.h>
+#include <linux/bitmap.h>
+#include <linux/device.h>
+
+#include "cryp.h"
+#include "cryp_p.h"
+#include "cryp_irq.h"
+#include "cryp_irqp.h"
+
+void cryp_enable_irq_src(struct cryp_device_data *device_data, u32 irq_src)
+{
+       u32 i;
+
+       dev_dbg(device_data->dev, "[%s]", __func__);
+
+       i = readl_relaxed(&device_data->base->imsc);
+       i = i | irq_src;
+       writel_relaxed(i, &device_data->base->imsc);
+}
+
+void cryp_disable_irq_src(struct cryp_device_data *device_data, u32 irq_src)
+{
+       u32 i;
+
+       dev_dbg(device_data->dev, "[%s]", __func__);
+
+       i = readl_relaxed(&device_data->base->imsc);
+       i = i & ~irq_src;
+       writel_relaxed(i, &device_data->base->imsc);
+}
+
+bool cryp_pending_irq_src(struct cryp_device_data *device_data, u32 irq_src)
+{
+       return (readl_relaxed(&device_data->base->mis) & irq_src) > 0;
+}